sector_per_block   78 ide.c            int sector_per_block =  BSIZE/SECTOR_SIZE;
sector_per_block   79 ide.c            int sector = b->blockno * sector_per_block;
sector_per_block   81 ide.c            if (sector_per_block > 7) panic("idestart");
sector_per_block   85 ide.c            outb(0x1f2, sector_per_block);  // number of sectors